Download - INFORMATION : COMPUTERS IN SUPERMARKET
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INFORMATION : COMPUTERS IN SUPERMARKET
Class: Year 8 ‘A’Date : 9th February 2009
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Lesson Contents:
Popularity of computers Running a supermarket using a
computers The journey of a product in a
modern supermarket About barcodes Barcodes at the POS Advantages and Disadvantages
of using computers in supermarket
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The Increasing Popularity of Computers
Computers are popular because they perform tasks efficiently
Example, use computers to collect bus fares instead of bus conductors
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Running a supermarket a traditional way
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Running a supermarket using a computers
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The Journey of a Product in a Modern Supermarket
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POINT-OF-SALE (POS)
Point-of-Sale (POS) Terminal Special-purpose computer Located at cashier’s counter
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Have you seen one???
POINT-OF-SALE (POS)
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How does POS system works?
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POS DEMO
Video 1 & 2
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The Journey of a Product in a Modern Supermarket
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About Barcodes
Each product as an identifying code number
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Bar codes Tag an identifying code number to each
product Sets of black lines and white spaces Printed on packaging or labels
About Barcodes
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European Article Number (EAN) Popular barcode standard EAN-13 has 13 digits EAN-8 has 8 digits
Used for small items
About Barcodes
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About Barcodes
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Direction of scanning does not matter
About Barcodes
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Barcodes at the POS
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Barcodes at the POS
Other notes on POS Electronic balances are used to price items
sold by weight The balances are linked to the branch
computer Printer can print other information on top of
the items bought on the receipt Name of supermarket Date Amount Payment mode
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Barcodes scanner
Video
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Just-In-Time (JIT) stock control Saves warehouse costs because
businesses only stock up goods when needed
Disadvantages Stock may run out if delay in delivery Demands can change quickly JIT computer system is expensive
Advantages of Using Computers in a Supermarket
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Advantages of Using Computers in a Supermarket
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THE END…..
Q & A